High-flow diesel exhaust systems for trucks and SUVs. 4" and 5" systems, DPF-back kits, and performance upgrades for maximum power and efficiency.
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Best AP Exhaust catalytic-converter for 2010-2006 Kia Sedona Rear | Direct Fit | EPA/CARB Compliant | 642066
$923.02
ARISTO's proprietary substrate chemistry yields highly efficient loadings for lower cost and better converter efficiency...
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Best AP Exhaust catalytic-converter for 2010-2005 Kia Sportage Rear | Direct Fit | EPA/CARB Compliant | 642065
$714.56
ARISTO's proprietary substrate chemistry yields highly efficient loadings for lower cost and better converter efficiency...
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Best AP Exhaust catalytic-converter for 2010-2005 Kia Sportage Rear | Direct Fit | EPA/CARB Compliant | 642064
$591.92
ARISTO's proprietary substrate chemistry yields highly efficient loadings for lower cost and better converter efficiency...
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Best AP Exhaust catalytic-converter for 2012-2006 Toyota RAV4 Rear | Direct Fit | EPA/CARB Compliant | 642063
$1,027.98
ARISTO's proprietary substrate chemistry yields highly efficient loadings for lower cost and better converter efficiency...
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Best AP Exhaust catalytic-converter for 2007-2004 Subaru Impreza Rear | Direct Fit | EPA/CARB Compliant | 642062
$1,041.96
ARISTO's proprietary substrate chemistry yields highly efficient loadings for lower cost and better converter efficiency...
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Best AP Exhaust catalytic-converter for 2010-2008 Chevrolet Cobalt | Direct Fit | EPA/CARB Compliant | 642061
$974.50
ARISTO's proprietary substrate chemistry yields highly efficient loadings for lower cost and better converter efficiency...
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Best AP Exhaust catalytic-converter for 2012-2008 Chevrolet Malibu Rear | Direct Fit | EPA/CARB Compliant | 642060
$566.48
ARISTO's proprietary substrate chemistry yields highly efficient loadings for lower cost and better converter efficiency...
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Best AP Exhaust catalytic-converter for 2005-2001 Volvo S60 Rear | Direct Fit | EPA/CARB Compliant | 642058
$1,197.18
ARISTO's proprietary substrate chemistry yields highly efficient loadings for lower cost and better converter efficiency...
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Best AP Exhaust catalytic-converter for 2009-2007 Hyundai Santa Fe Rear | Direct Fit | EPA/CARB Compliant | 642057
$618.76
ARISTO's proprietary substrate chemistry yields highly efficient loadings for lower cost and better converter efficiency...
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Best AP Exhaust catalytic-converter for 2009-2008 Ford Taurus Rear | Direct Fit | EPA/CARB Compliant | 642056
$622.58
ARISTO's proprietary substrate chemistry yields highly efficient loadings for lower cost and better converter efficiency...
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Best AP Exhaust catalytic-converter for 2013-2008 Nissan Rogue Rear | Direct Fit | EPA/CARB Compliant | 642053
$875.84
ARISTO's proprietary substrate chemistry yields highly efficient loadings for lower cost and better converter efficiency...
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Best AP Exhaust catalytic-converter for 2013-2011 Kia Sorento Rear | Direct Fit | EPA/CARB Compliant | 642052
$480.04
ARISTO's proprietary substrate chemistry yields highly efficient loadings for lower cost and better converter efficiency...
Frequently Asked Questions
What size exhaust for deleted diesel?
4" is minimum for deleted diesels; 5" is ideal for heavily modified trucks. Larger diameter dramatically reduces EGT and backpressure, crucial when deleting emissions equipment. Straight-pipe or single muffler designs flow best. Note: Emissions deletion is illegal for street use.
Will bigger exhaust help my stock diesel?
Yes! Even stock diesels benefit from 4" turbo-back systems. Expect lower EGT (50-100°F drop), slightly better MPG (1-2), and improved throttle response. Gains increase dramatically with tuning. Larger exhaust is essential foundation for any diesel performance build.
Turbo-back vs DPF-back exhaust for diesel?
Turbo-back systems (from turbo to tip) provide maximum performance by reducing all backpressure. DPF-back systems (behind diesel particulate filter) maintain emissions compliance while improving flow. For stock trucks staying emissions-legal, DPF-back offers best balance of performance and legality.
How much HP does exhaust add to diesel?
On stock diesel engines, exhaust alone adds 10-20 HP. With tuning, the same exhaust supports 50-100+ HP gains by reducing EGT and backpressure. Exhaust is essential before adding power - it's not the biggest power adder itself but enables other modifications to work safely.
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$132.00
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